Table 2.
General characteristics of the overall study population and the colorectal cancer cases stratified by the presence of KRAS mutations (N = 151).
| General Characteristics | Whole Population n (%) | Colorectal Cancer | p | ||
|---|---|---|---|---|---|
| With KRAS Mutation N = 52 n (%) |
Without KRAS Mutation N = 99 n (%) |
||||
| Age (Years), Mean (SD) | 53.6 (14) | 54.6 (13.2) | 53.2 (14.4) | 0.55 | |
| Sex | female | 83 (55.0) | 28 (53.8) | 55 (55.6) | 0.84 |
| Marital status | single | 13 (8.6) | 4 (7.7) | 9 (9.1) | 0.63 |
| married | 114 (75.5) | 37 (71.2) | 77 (77.8) | ||
| divorced | 7 (4.6) | 3 (5.8) | 4 (4.0) | ||
| widow | 17 (11.3) | 8 (15.4) | 9 (9.1) | ||
| Area of residency | urban | 109 (72.2) | 34 (65.4) | 75 (75.8) | 0.17 |
| rural | 42 (27.8) | 18 (34.6) | 24 (24.2) | ||
| Educational level | illiterate | 94 (62.3) | 33 (63.5) | 61 (61.6) | 0.48 |
| primary | 28 (18.5) | 9 (17.3) | 19 (19.2) | ||
| secondary or higher | 29 (19.2) | 10 (19.2) | 19 (19.2 | ||
| Monthly income (MAD) | ≤2000 | 124 (82.1) | 45 (86.5) | 79 (79.8) | 0.29 |
| >2000 | 27 (17.9) | 7 (13.5) | 20 (20.2) | ||
| Smoking status | never smokers | 128 (84.8) | 44 (84.6) | 84 (84.8) | 0.82 |
| smokers and ex-smokers | 23 (15.2) | 8 (15.4) | 15 (15.2) | ||
| BMI | normal | 61 (40.7) | 20 (38.5) | 41 (41.8) | 0.90 |
| overweight | 65 (43.3) | 23 (44.2) | 42 (42.9) | ||
| obesity | 24 (16.0) | 9 (17.3) | 15 (15.3) | ||
| Physical activity | inactive | 39 (26.2) | 12 (23.1) | 27 (27.8) | 0.52 |
| active | 110 (73.8) | 40 (76.9) | 70 (72.2) | ||
| Tumor location | colon | 75 (49.7) | 24 (46.2) | 51 (51.5) | 0.53 |
| rectum | 76 (50.3) | 28 (53.8) | 48 (48.5) | ||
| Alcohol consumption | yes | 4 (2.6) | 1 (1.9) | 3 (3) | NS |
| no | 147 (97.7) | 51 (98.1) | 96 (97) | ||
BMI: body mass index; MAD: Moroccan dirham; SD: standard deviation; NS: non-significant.